Flour-packer.



No. 876,603. QATENTBD JAN. i4, 1908.

` E. G. STAUDE.

FLOUR PAGKER.

`.MIPLIOATION FILED MAR. 23, 1904.

6 SHEETS-SHEET 1.

N40. A876,603. PATENTBD JAN. 14, 1908.

- E. G. STAUDB.

FLUUR PACKER.

APPLIGATION FILED MAR. 23. 1904.

6 SHBETS*SHEET 2.

E. GSTAUDE,

FLQUR PAGKER.

PPLIOATION FILED MAR. 23, 1904.

PATENTED JAN. 14,` 1908.

6 SHEETS-SHEET 4.

No. 876,603. PATENTED JAN.14, 197.08. B. G. STAUDE= FLUUR PAGKER.

APPLICATIQN FILED MAR. 2s; 1904.

GSHBBTS-SHEBT 5.

Nmsvsos. PATBNTED JAN. 14, 1908.

` E. G. STAUDE.

FLOUR PAGKBR.

APPLICATION EILED MAR. 23. 1904.

6 SHBETS-SHEET 6.

' delivering flour to the weighing device.

EDWIN Cr. STAUDE, OF MNNEAPOLIS, MINNESOTA.

rriooririieimr..

No. codecs.

Specification of Letters lftent.

Datewise ren. ifi, ieee.

Application filed Merch 23 1901i. Serial No. 199.545.

To all 'Uf/"10m 'it concern:

Be it known that I, Enwiri G. Simoon, ol Minneapolis, Hennepin county, Minnesota., have invented certain new end rise-ful lmroveinents in Flour-Pscliers, ol which the ollowing is s specification.

In the operation of s flour packer it is cus ternary to peck tlie 'flour sind tlieii weigli tlie filled siiclr, adding to or deducting frein tlie sack until the sosie balances. This metl'iod of pecking lies been found slow and laborious end is generally unsatisfactory es. tlie socks frequently rini over or under in weight iinless greet cere is exercised in filling tliei'n.-

The prinisry object, therefore, of my invention is to provide e packer wherein fili weighing of tlie filled sack is dispensed witli, the amount of flour delivered to 'escli seclrv being the exact weiglit intended for suoli sack.

The inventionv consists Generally in `providing s flour pocker with s mechanism for weifrliing tlie flour priorto its delivery te tlie psc rinff enger or screw.

Furtlier the inventiony consists in s prinisrysnd s. secondary feed Ineclisinsni for Further the invention consists in s trip ping nieclisnisni for automatically dumping the flour when tlie scale balances.

Further tlie invention consists iii e sack platform ond e conveyor operating in coiinection therewith.

Further the invention consists in verioiis constructions and combinations, :ill liereinciter described and particularly pointed out in the claims. i A

ln tlie accompanying drawings, forming port of tliis specilicstioii,

lFigure l is e front elevation of s flour packer, embodying my invention. Fig. 2 is a, vertical sectional viewof tlie seine. Fig. 3 is a similar view teken on e line substaiitislly et right ongles to tlie section line of Fig. 2.I

'i :i ver iczil sectional view of tbe/priniery end secondary feed devices and' tbe niecgienisni for operating tbe seme. Figs. 5,` 6 and 7 details ol tbe clutcb iiiecliziiiisin tlirougli wliicli tlie priinziry sind secondary feed devices ire rendered operative :ind in operative. Fig. 5:5 is :i sectional view on the linen-x of Fig. 6. Fig. 9 is ev detail view looking toward the resi' of the clutcli nieclianisins 'and tbe gears connected therewith for o erstiiig the feeddevice. Fig. l() is e the revolving hopper be ieetli tlie feed device, teken on tli'e sectional line iy-y of Fig. l. il is e horizontal section on the .line e-e of Fig. l0. Fig. l2 is e. section on the line m-m of Fig. l1. Fig. 13 is s. sec-- tion on tlie line of Fig. l2. Fig. M is e vertical sectional view showing tlie revolving. -liopper and the scsle inecnsnisni in tlieir tilted position. Figs. 3.5 end 16 are deteils oi" the slide device mounted on the scale 4bea-in in tli'e pzitli of the revolving lio per. Figs. '17, 18 end l@ ere detail views el) tlie seek platform showingtlie diillerent posi-' tions assumed thereby during tlie operation. of 'lilling the seek. Fig. -20 is e. plan view, partially in section, showing the position of the conveyors with respect to tlie sack plot- "forin Fig. 2l is e detail view showing the position to which tbe tripping linger or lever is moved to prevent tbe automatic dumping of tlie seele liopper. `Fig. 22 is e. detail view nieclisnisni illustrated in llligsf 17, 18 and 19. ln the drawings, 2 represents e floor siipporting s spout il tliroiigli. which tlie ilour is delivered to tbe ii'eigliing end pecking iiieclienism beneetl'i.

e is e sbs-lt lieviiig s pulley 5 thereon end connected by gears 6 end 7 to ai vertical continuously operziting shalt 8 on tbe lower end oi wiiicli tbe pecking auger or screw S) is secured.

il. neck l() is provided on tlio lower end oi" tbe spout l ond witliin seid neck l srrsiige s yspirzilly arranged web i3 i'vliioli, with seid tube, closes substantially tbe passsgetliroiigli the nook l0 and iornis tlie primary feed for tbe llour. A slisft i4. is provided within tlie slisft l2 and tlie tube 11 lies o, spiral web 15 et its lower end operating within seid tube and forming, with seid slieft, e, secondary feed, en o ieniiig .i6 being provided :it tbe top oi seid to c to allow the entrance oi tbe flour therein. The sliiii't l2 is mounted in si beer ing i7 in tbe well of s spout and tlie sliiiit .le lisis e l'ieziriiig in seid siieit 1E end extends arbore .tbe seine sndpinions ll :ind l() ere sefciircd on seid sliets and iiiesli respectively witli gears 20 siid 2l loosely mounted on e `driving sliirft 4. The hubs of tlie gears 20 and 2l ere provided with annuler recesses 222 :ind 23 tliet'ere loose on the seid shaft 4f. 'Fliese retclicts lieve openings 24 on one side detei sectional view showing the position, of

es indicated in lligs. 6 and 7 and over seid tribe ll seciiied'oii o. sbsilt i2 sind having eto receive tlie flanged edges of rstchets 2@ looliing toward one end of tbe `seek platform 2 87eme openings dogs 25 and 25a are pivoted on the hubs of the respective gears 2O and 21 and are rovided at one end with ins 26 adapted to s ide in lu` s 27 on said hu sand carrying springs 28 w ich tend to press the op osite end of said dogs toward the centerJo their respective ratchets. A l-ug 29 is provided on the free end ofeach dog projecting into thel path of pins 31 that are secured to opposite sides of collars 32, and 32u fixed on the shaft 4. The free ends of the dogs 25 and 25 have inclined or Vbeveled surfaces 33 that contact with pins 34 -in the surfaces of said ratchets.

The rollers on one side of the collars normally engage the lugs 29 and revolve the ratchets and with them the gears 20 and 21.y

Whemhowever, the movement of the ratchets is arrested the pins 34 bearing on the inclined surface 33 will press the dogs o utwardly until the rollers 30 clear the lugs 29 when the connection between the shaft 4 and the gears will be interrupted and movement of the latter will cease. I prefer to provide two of the anti-friction rollers 30 and the pins 31, one` upon each side of the shaft, so that in case a ratchet is released just as the roller is passin the dog itwill not be necessary for it to ma e a complete ,revolution before the gears will again be set in motion to arrest a shaft 36 whereonpawls 37 an( movement of the ratchets and stop the gears 20 and 21 and the feed mechanisms driven thereby. l provide'a bracket 35 su porting F38 are loosely mounted. A ro'd 39 has arms 4() and 41 that are slidably connected with the pawls 37 and 38, respectively, and have nuts 42 on a threaded portion of said arms and by means of which said pawls can be raised or lowered to vary their position with respect to the ratchets 23 and 23a (see Fig. .5). The nuts are so adjusted that one pawl will be normally-higher than the other and the depression of the rod 39 a certain distance will cause one of the pawls to engage iis ratchet and lock the same, and a further depression of said rod will cause the other pawl to engage its ratchet and stop its further movement also. These clutch mechanisms and the device for operating the same control the movement of the primary and secondary feed. The outer or primary feed screwiopcrates for a certain period until movement of the weighing mechanism takes place and through the mechanism described stops the feed through the primary screw.

The secondary feed, however, continues until the scale exactly balances when it will also be stopped. This is mechanical adaptation of the usual method employed of mechanically filling a. sack with flour and then putting in a little more by hand, to balance the scale. The primary feed delivers a large quantity to the scale hopper and stops and then the scc l ondary feed delivers a small quantityv to balance the scale.

easing 43 wherein the Weighing mechanism proper is arranged. This consists of a pair .off scale beams 44 and 45 arranged end to end,

connected by cross-bars 46 and 47 and suported Within the said casing upon knife edge bearings in the usual Way. The abutting ends of the opposite beams are connected by coil sprin 48 and said ends are slightly rounded, as shown in Fig. 14) and the beams 45 are provided with recesses 49 to `receive lugs 50 on the opposite beams.

A revolving hopper 51 having chambers 52 and53 is ivotally supported in bearings betweenv the earns 44 and the openings to the said chambers are'oppositely arranged, one being on the upper and the other on the lower side of said hopper in position to receive and discharge the material that is being weighed. The hopper revolves intermittently in one direct1on and when one chamber is filled and the hopper released it will turn on itspivots and empty one chamber while the opposite one will be swung into the filling position.

Backward movement of the hop er is prevented by the ratchet 54 and t 1er spring pressed pawl 55, The tension of the springs 48 and the tilting of the scale beamsis regulated by means of the adjustable pins 56; A graduated beam 57 having a weight 58 .is provided on thecross-bar 46 and an indicatmg hand 59 is pivoted on one of the beams 44 and is movable over a scale 60. 'This scale has the letter H at one end and-L at the other and the graduations are so arranged that when the, indicator hand passes a certain point the operator will know that the sack being filled is too heavy or too light, according to whichever side of the mark the pointer moves. The pointer is adjusted lto its proper normal position onA the scale by means of a screw 6l passing loosely through a lug onl said pointer into the scale beam and carrying a coil spring A slide 64 is mounted on one of the beams 44 and normally held against a pin 65 in said beam by a spring 66. This slide is )rovided on its inner face with a groove 66 having a shoulder G7 to engage a pin 68 provided'on ear-h end of the. revolving hopper. As long as the slide is in contact with the pin the shoulder 67 will prevent the hopper from turning but as soon as the slide is moved away from its stop pin thc pin GS will slip out of the slot 6G and allow the hopper to revolve. lf prefer to noride a stop 69 on the slide 6,4 having an inclined fare against which the pin 68 strikes to prevent the hopper from making a second revolution incase the slide should not be returned to normal position when the hopper has completed its i'irrirt-reveution.

A strap 7() is secured on the slide a hook 7l at itsouter end extending without llO s'zeoe the easing 43 in )osition to he engaged by one arm 72 of a lbell crank 73. The other arm 74: of said hell crank is connected hy e link 75 with vone end of a'lever 76 whose opposite end is provided with holes 77 and the latter of which is attached to a longitudinally movable rod 79 arranged beside the post SO and provided with e oedal 81. The purpose of the hole 77 is to allow'the link 75 to be adjusted to either end of the lever 76, according to whether the deviee is operated automatically or by means of the pedal, as will hereinafter appear from the description of the operation of the machine.

The lower cnd of the rod 39 is attached to one of the seele beams 44 (see Figs. 2, 12 and 14) and when a sufficient, quantity of flour or other material hasbeen deposited in one of the hopper chambers and the seele beam has been tripped and allowed to tilt, the downward movement of the heain will draw down the .rod 39 until the clnteh meehanisrn that controls tlie'niovcment of the primary feed has been operated and further movement of the feed arrested` The sceondary feed will continue to deliver flour to the hopper until the beam. has been tilted snfliciei'i'tly to operate the clutch nierlianism that controls the movement ofthe secondary feed, whereupon this secondary feed will he stopped also. Y

ln e machine of this kind it is dosirslole to provide mechanism for releasing,r the hopper, allowingr it to discharge its contents when :i filled sack hes been removed from the platform and an empty one pnt in place thereof. 1 therefore provide an adjustable coller 82 on the rod 79 in thepeth ol a linger S3 earried by a hand 811 and having;n :i lug` H5 engaged 'by a spring 86 which tends to hold said linger in yielding; engagrnnent with the rod 79 to allow it to li'e swung,r around to the position indicated by dotted lines in Fig. 2l, to prevent the automatic tripping of the scale hopper.. l

The band 84 is vertically slidable on the post S() and is Connected to a chain 87 that passes over an eolientrioally mounted wheel 88 and carries a weight 89 thetnornielly tends to raise the finger 83 into Contact with the collar 82.y lhi'e band 84'isv connected by a plate 90 with asimilar band 91. below the hund 84 and slidable oi's'a'ld "'ost; A har 92 is pivoted at one end on sai plate and provided at its opposite end with a series of let orally extending arms 93 arranged at inten vals. A spring .lt connects the plate 90 with the bar 92 and normally tends to hold said har in a Vhorizontal position. A bell crank J5 is pivoted on said plate 90 and has e notch Q6 in its lower :n'ni to receive the heel 97 of the har Q2 and lock seid hal against downward movement. The upper 0nd of said bell crank is prrwidod with a pin Q7 adapted to enter a recess 98 in said plate and post and Ithe arrn l0() and release the lier .lietwecn the arms 9? l provide s ldl 7g; over Vwhich conveyer belts iO'Z ged to operate. The e lheit-s are below trie non mal level of they erins Si?) and do not contest with the hott-oni of the sae to nieve it sway until the seek platform hes been depressed. iw snilieiently by the weight of the hour to liring 'the hell crank Q5 into engagement with soon, however, es the har is released by the tiltingof the hell erfenlr. thev weight of the g5 sarl; will .lepress it sniiciently to leringthe arms d3 helow the level of the eenveyer chains, when the seek will he teken away, and dining' this time vertical movement of the plate 9() and 'the sack pletforni will. be 90 prevented hy theengsgeinmit of the pin Q7 with the reeess 955 and it will he impossible yfor tholpin to passent of said recess until the heel. 97 of the har 92 has heen depressed suf" lieicntly to allow the notched lower erm of 95 the hell cianlr to return to its .normel )osition. After the filled sach has passed on' the platform the springr Q4 will return the liar 92 to its normal position, allowing;` the heel Q7 to encr the noteh Qd in the hell crank and the le@ opposite'movement ofthe other end of said crank will allow the pin 97 to pass out of the rer-ess wlieirthe weight 8S) will lift the plat form and trip the scale mechanism and allow the hopper to disrharge its contents` soon :is the flour orother materiel passes ont of the hepper the scale will return to its normel position and the feed mechanism will he sot in motion to lill the hopper so that by the time the iilled sack has been discharged from le 'the platform another sach full of flour will loe dclivered to the hopper.

rlhe usual tribe 103 is provided around the packing' anger 9 end (as clearly shown in Fie.

3) l prefer to vary the pitch of the thread or 115 weh on the enger for the puriose of drawing the material down and partie ly compressing it while still in the tnhe. 'The operation of peolrinpfthe flour in the seek is the seme as that generally employed in inachinesof this 12e oharaeter-and needs no detailed deseription herein,

'lhe followingr is a brief deseription of the operation of my maehine. The sash platH form hei/ing heen raised to its elevated posi 12:5 tion by the weight 89 will Contact with the collar S2, oseillate the hell Crenli erm '73, move the slide connected therewith end ref lense the hoiper. The tilting` of the seele beam will, through its eonneetion with so the feed device clutch mechanisms successively stop the primary and secondary feed devices and cause them to remain stationary during the dumping operation of the hop er. The weight of the Hour or other materia in one of the chambers of the hopper will cause it to revolve and discharge its contents and present an empty chamber or pocket to receive the next discharge from the feed device. The flour discharged from the auger will flow into the packing auffer and 'be delivered tothe sack in theusua way. As the platform descends by the weight of the sack the leverage of the weight 89 is accordingly increased on the platform through the eccentrically mounted wheel 88. As soon as the bell crank 95 engages the arm 10() the pin 97( will be forced into the recess 98, releasing the bar 92 and locking it and the plate 90 against vertical movement. The weight of the'sack willl then be thrown on the spring 94 which will stretch ufiicieiitly to allow the arms 93 to drop down between the conveyer chains which engagiilg 4the bottom of the sack will car r it away from the platform. The bar 92 wifi then swing upward, allowing the bell crank 95 to assume its normal position and the platform will then be raised the weight S9 to again trip the hopper which is in process of being filled by the action of the rimary and secondary feed devices.

I iave shown and described my invention used in connection with a flour packing machine but I do not Wish to confine myself to this style of packer as the invention is equally well adapted for use with machines for packing other cereal products.

I claim as my invention:

l. In a packer, a feed mechanism comprising a primary and a secondary feed device concentrically and vertically arranged, and

CII

hopper.'

a mechanism for operating them.

2. In a packer, a feed mechanism comprising two concentrically and vertically arranged augers arranged to deliver a coniparatively large and a small quantity of material, respectively, and means for operating said feed mechanism for the purpose specified.

3. In a packer, a feed mechanismcomprising two concentrically and vertically arranged augers, one constituting a primary andthe other a secondary feed, and mechanism for starting said augers simultaneously and operating said secondary feed after the movement of the primary feed has been arrested and means for arresting the movementlfof 'said rimary feed.

4. In a ac ier, a tilting scale beam, a hopper carrier thereby, a movable sack platform and mechanism preveiitin premature move-A ment of said hopper an actuated by the movement of said platform to release said In a packer, a scale beam, a revolving hopper having oppositely arranged chamism preventing premature movement of said hopper and arranged to be actuated by the ,movement of .said platform to release said hopper. f v

6. In a packer, a scale mechanism and revolving hopper carried thereby, mechanism hopper and comprising a grooved slide having a siiitable'stop, anda pin on said hopper adapted to enter said slot, a feed mechanism, and operative connections provided between said feed mechanism and said scale.

7. In a packer, a scale mechanism, a re- 4volving hopper having oppositely arranged chambers or pockets, a movable sack platform mechanism controlled by the movement of said platform for preventing premature movement of said hopper, a feed device arranged to successively deliver a large and a comparatively small quantity of material to one of said hopper pockets, mechanism for operating said eed device, and operative connections provided between said operating mechanism and said scale.'

8. In a packer, a scale andfa revolving hopper carried thereby having oppositely arranged pockets or chambers, pins provided on said hopper, a slide having a slot to re- ,ceive said pins, and a stop to engage them one at a time and automatically lock said hopper, and mechanism for operating said slide, for the urposes eciiied.

9. In a pac 'ing mac 'ne, the combination with a packing auger, of a scale mechanism, a tilting hopper or pan therefor, concentrically and vertically arranged feed augers, mechanism for operating said augers and mechanism controlled' by the movement of said hopper for throwing said auger operating mechanism into and out of operation.

10. In a packing machine, the combination, with a acking auger, of a scale, a tilting hopper tlierefor', concentrically and vertically arranged feed augers and means for operating the same, mechanism controlled by the movement of said hopper for throwing said auger operating means into and out of operation and said' feed augers being sta-rted simultaneously and one beingoperated for a longer period than the other to deliver respectively a comparatively large and small amount of material to said hopper.

11. In a packing machine, the combination with a packing auger, of a scale, a tilting hopper therefor, means for normally locking said hopper to prevent premature tilting of the saine, a vertically movable sack platform a feed device operatively connected with said scale, and mechanism controlled by the movement of said latform for automatically releasing said iiopper, substantially as described.

12. In a packing machine, a revolving bers, a movable sack platform and mechanpreventing premature movement of said scale hopper having oppositely arranged pockets or chambers, means for preventingr premature movement of said hopper, and said means havingr a device to prevent two continuous revolutions of said hopper.

l. The eomhimitionof a spi-ral conveyor having a hollow tubular shaft, a seeond spiral eonveyer extending longitudinally .through said tubular shaft, means for snp-r plying material to said conveyors, and meehanism for separatel)v driving said eonveyere.

arranged te be actuated by the vertical moven'ient of said platform to vrelease. said hopper.

15, In a paeking machine, a revolving hopper, a primary and a .semndary f eed device arranged to deliver material to said hopper,

,a serale mechanism eonneet-ed with said hopper and Controlling saidmfeed devices, and a vertieally movable sack platform arranged to control the movement of said hopper.

ln rWitness whereof, I have hereuntoset my hand this lltli day of Marell, 1904.

EDWIN S'FAUDIG.

ln presence ofvvv M. IlAmcn'rr, Kleiman Pam.. 

